Eye of the __ by Ken Follett
Puzzle 17 of Patterns in Nature Pack
Question is: Eye of the __ by Ken Follett
and the answer is: NEEDLE
Word Meaning:
NEEDLE — A long, thin, sharp implement usually for piercing as in sewing, embroidery, acupuncture, tattooing, body piercing, medical injections, sutures, etc; or a blunt but otherwise similar implement used for forming loops or knots in crafts such as darning, knitting, tatting, etc.
Definitions from Wiktionary.